Question

Question 2 (10 points): Maintenance costs for a small precast concrete bridge with an expected 60-yearlife are estimated to be $1,000 each year for the first five years, followed by a $10,000 expenditure in the15th year and a $10,000 expenditure in year 30. If i = 10% per year, what is the equivalent uniform annual cost over the entire 60-year period?

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